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Paladinen [302]
4 years ago
9

Joan draws a bar chart to show the temperatures at midday on March 1st in five cities. Joan has made four mistakes in her diagra

m. Write down any three of them. ​

Mathematics
2 answers:
Aleksandr [31]4 years ago
8 0

Answer:

Step-by-step explanation:

Properties of a bar graph:

1). There should be equal space between the bars or the columns.

2). Width of each bar or columns should be same.

3). All bars should have same base.

4). Height of each bar will show the value of the data.

By these properties,

- Space between London-Paris, Rome-Oslo are not equal.

- Width of Munich bar is different from other bars.

24682 years ago
0 0

1. there should be equal space between the bars and the column
2. height of each bar or column should be the same by these properties, space between London-Paris, Rome-Oslo is not equal, the width of Munich bar is different from other bars.
3. the temperature in the y axis does not start with 0
4. there are no titles

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The sum of twice a number and 18 less than the number is the same as the difference between -10 and the number. What is the numb
Lera25 [3.4K]

Answer:

n=-14

Step-by-step explanation:

2n+18-n=-10-n

n+18=-10-n

+n        +n

2n+18=-10

-18      -18

2n=-28

/2     /2

n=-14

4 0
4 years ago
Read 2 more answers
Yes :]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]
NeTakaya

Answer:

It would be 150 I believe.

Step-by-step explanation:

Hope this helps and good luck!

6 0
3 years ago
An artist can sell 20 compies of a painting for $100 each, but for each additional copy he makes the value of each painting will
ki77a [65]

Answer:

40 copies for $3000

Step-by-step explanation:

First: The Equation

y=(20+x)(100-x)

This shows how for every new painting, the price will go down.

y=2000+80x-x²

Convert it to standard form: ax²+bx+c

You can now choose to graph it or find the vertex form. For the limit of time, I will just use a graph.

The vertex, (40,3000), is your answer, where the x value is the number of paintings and the y value the money made.

4 0
4 years ago
If <br> 15=27<br> 12=21<br> 31=59<br> 24=45<br> then <br> 41=?
aleksley [76]

Answer:

41=79 41 is equal to 79.

3 0
3 years ago
In DEF, FE = 3 and m angle F = 37, Find DE to the nearest tenth.
diamong [38]
We know that
in the right triangle DEF
tan F=opposite side angle F/adjacent side angle F
where
angle F=37°
opposite side angle F=DE
adjacent side angle F=FE-----> 3 units
so

tan F=DE/FE--------> DE=FE*tan F------> DE=3*tan 37-----> DE=2.26----> 2.3 units

the answer is
DE is 2.3 units
8 0
4 years ago
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